While we can presume genetics play the biggest part in Hsu's impossibly youthful appearance, everyone still wants to know her skincare secrets – which she shared with Friday magazine. Of course, sunscreen features. But so does coffee.

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Hsu said, "everything is simply moisturising well and not over-exposing yourself to sun". She believes sunscreen is important as "sunned skin is drier and make small spots and small fine lines easier to appear." Ergo, sun damage – which we know accelerates ageing.

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According to the Indy 100, her diet could have an influence on her fresh face, too. They report that while Hsu drinks black coffee, she also consumes a lot of water, fruit and vegetables, while avoiding sugary drinks and greasy food. She also advocates high fibre and high protein foods, and exercise.

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Nothing groundbreaking, but while Hsu is clearly genetically blessed, her sensible skincare advice reinforces the fact that simple sun protection and a healthy lifestyle is always a good idea. Take note.

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